#define _CRT_SECURE_NO_WARNINGS 1
#include<string>
#include<iostream>
#include<assert.h>
#include<algorithm>
using namespace std;
#include"string.h"
int main()
{
	try
	{
		MyString::test_string11();
	}
	catch (const exception& e)
	{
		cout << e.what() << endl;
	}
	return 0;
}